*{
    padding:0px;
    margin:0px;
  }
  html,body,#app{
    width:100%;
    height:100%;
  }
  ul,ol{
    list-style: none;
  }
 
  img{
    display: block;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  ul,ol,p {
      padding: 0;
      margin: 0;
      /*font-size: 16px;*/
  }
  a,
a:focus {
    text-decoration: none;
    color: #000;
    /* 移除移动端a标签点击高亮 */
    -webkit-tap-highlight-color: transparent;
}
input , textarea {
    outline: none;
    border: none;
    box-sizing: border-box;
}

.f_left {
    float: left;
}
.f_right {
    float: right;
}
.clearfix::after {
    content: "";
    display: block;
    clear: both;
}
  
